Onneshon to Panthiya
- Onnis - Onokoya
- Onokpa - Onosakponome
- Onosb - Onru
- Onrubia - Ontey
- Ontez - Onubaye
- Onubhobe - Onuu
- Onuur - Onwukike
- Onwukwe - Onyed
- Onyedaka - Onyene
- Onyenedum - Onyinyi
- Onyinyichi - Ooca
- Oocc - Ookurikara
- Ooky - Oonoo
- Oonoon - Oossama
- Oosscar - Opaca
- Opach - Opasnaa
- Opasnata - Opendoors
- Opendr - Opha
- Ophan - Opidex
- Opidi - Oplak
- Oplan - Oposisi
- Oposite - Oprichita
- Oprichito - Optimu
- Optimum - Oqean
- Oqee - Oraganti
- Oragba - Orancy
- Orand - Orap
- Orapa - Orazgul
- Orazhan - Orchha
- Orchi - Ordenio
- Ordeniza - Oreb
- Oreba - Orelie
- Orelien - Oresile
- Oreso - Orfilio
- Orfin - Orgiel
- Orgii - Oriagny
- Oriah - Oriell
- Oriella - Originator
- Origine - Orin
- Orina - Orisela
- Orish - Orjichukwu
- Orjie - Orlandes
- Orlandete - Orlenda
- Orlendi - Ormak
- Ormakal - Ornate
- Ornato - Ornok
- Ornol - Orolf
- Orolfo - Oroszi
- Oroszlan - Orquidiario
- Orquidias - Orsho
- Orshoja - Orthdox
- Orthe - Ortuanya
- Ortubia - Orusu
- Orusya - Orys
- Orysa - Osagunna
- Osaguona - Osamodas
- Osamoje - Osasuwen
- Osasuwmen - Oscalito
- Oscaly - Oscarzhito
- Oscarzinho - Osegofetse
- Osegueda - Oseto
- Osetoba - Osheika
- Oshein - Oshiwa
- Oshiy - Osibamowo
- Osibanjo - Osimaco
- Osimade - Osiva
- Osival - Oslee
- Osleen - Osmanny
- Osmano - Osmiri
- Osmiria - Osoble
- Osobna - Osowaldo
- Osowavy - Ossenath
- Ossenatou - Ostavljeni
- Ostaz - Ostynn
- Osua - Osunu
- Osunwa - Osvino
- Osvir - Otach
- Otache - Otanod
- Otanon - Oteia
- Oteikwu - Otgonmaa
- Otgonmunkh - Othmn
- Othmne - Otilio
- Otiliya - Otko
- Otkup - Otoke
- Otokhagua - Otoyo
- Otoys - Ottara
- Ottaro - Otubuah
- Otubure - Otwal
- Otwan - Ouaked
- Ouaki - Ouays
- Ouayss - Oudaden
- Oudades - Oueret
- Ouerfelli - Ouil
- Ouila - Ould
- Oulda - Oumaru
- Oumaruo - Oumoukhairy
- Oumoukhayri - Ounjit
- Ounk - Ounz
- Ounza - Ourm
- Ourma - Ousm
- Ousma - Outing
- Outique - Ouyna
- Ouynaa - Ovanie
- Ovanil - Overbay
- Overbeck - Ovha
- Ovhaa - Ovilo
- Ovilson - Ovsyannikov
- Ovsyannikova - Owamoyo
- Owamukama - Owenna
- Owenne - Owley
- Owlfred - Owonam
- Owonare - Owusuwaah
- Owusuwah - Oxmara
- Oxmel - Oyaleke
- Oyalep - Oyebode
- Oyebog - Oyemomi
- Oyemomilara - Oyhaa
- Oyhac - Oyit
- Oyita - Oytip
- Oytullo - Ozaildo
- Ozailton - Ozean
- Ozeana - Ozhen
- Ozhenk - Ozineia
- Ozineide - Ozodahon
- Ozodaxon - Oztyn
- Ozua - Paablito
- Paablitoo - Paar
- Paara - Paax
- Paay - Pabing
- Pabinho - Pabloi
- Pabloivan - Pabx
- Paby - Pachaco
- Pachacutec - Pachequin
- Pachequinho - Pachulo
- Pachuly - Packrat
- Packri - Pacull
- Pacum - Padash
- Padashala - Padesha
- Padeshah - Padisetti
- Padisha - Padmanbha
- Padmanbhan - Padreantonio
- Padrecito - Paduri
- Padurice - Paero
- Paeroa - Pagalilauan
- Pagaling - Paghdal
- Paghdar - Pagoy
- Pagoyang - Pahblo
- Pahc - Pahor
- Pahoran - Paid
- Paida - Paijeme
- Paijemm - Painan
- Painand - Paips
- Paipu - Paisle
- Paislea - Paizinha
- Paizinho - Pajjar
- Pajje - Pakakul
- Pakakun - Pakching
- Pakchira - Pakhorn
- Pakhoy - Pakiyanathan
- Pakiyaraj - Pakly
- Pakm - Pakrol
- Pakron - Pakwil
- Pakwilai - Palaguachi
- Palagulla - Palandoken
- Palandri - Palast
- Palasta - Paldie
- Paldin - Palette
- Paletten - Palisah
- Palise - Pallarca
- Pallarco - Palloshi
- Pallot - Palmmii
- Palmmiie - Palosanto
- Palosanu - Palue
- Palug - Pamadam
- Pamadi - Pambres
- Pambrian - Pamero
- Pames - Pammay
- Pamme - Pampinea
- Pamping - Panachand
- Panachat - Paname
- Panameno - Panattaporn
- Panattha - Panchaksharaiah
- Panchaksharam - Panchlal
- Panchm - Pandaku
- Pandakung - Pandhare
- Pandharee - Pandok
- Pandol - Paned
- Paneda - Pangalan
- Pangalawa - Panggawa
- Panggay - Panglu